380728377 has 16 divisors (see below), whose sum is σ = 565868160. Its totient is φ = 252997200.

The previous prime is 380728373. The next prime is 380728417. The reversal of 380728377 is 773827083.

It is not a de Polignac number, because 380728377 - 2² = 380728373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380728373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14274 + ... + 31067.

It is an arithmetic number, because the mean of its divisors is an integer number (35366760).

Almost surely, 2^380728377 is an apocalyptic number.

It is an amenable number.

380728377 is a deficient number, since it is larger than the sum of its proper divisors (185139783).

380728377 is a wasteful number, since it uses less digits than its factorization.

380728377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45661 (or 45655 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 380728377 is about 19512.2622214852. The cubic root of 380728377 is about 724.7781339342.

The spelling of 380728377 in words is "three hundred eighty million, seven hundred twenty-eight thousand, three hundred seventy-seven".